Finding the Fourth Proportional to 80,636.68, 120,955.29 and 24,477.27
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Solution
The fourth proportional to 80,636.68, 120,955.29 and 24,477.27 is: 36,715.99
Step by Step Solution
- Step 1: Write the proportion equation
80,636.68 : 120,955.29 = 24,477.27 : x - Step 2: Convert to fraction form
80,636.68/120,955.29 = 24,477.27/x - Step 3: Cross multiply
80,636.68x = 120,955.29 × 24,477.27 - Step 4: Simplify right side
80,636.68x = 2,960,655,291.26 - Step 5: Solve for x
x = 2,960,655,291.26/80,636.68 - Step 6: Final answer
x = 36,715.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.